Change createAsmParser to take a MCSubtargetInfo instead of triple,

CPU, and feature string. Parsing some asm directives can change
subtarget state (e.g. .code 16) and it must be reflected in other
modules (e.g. MCCodeEmitter). That is, the MCSubtargetInfo instance
must be shared.

llvm-svn: 134795

1 files changed, 17 insertions, 0 deletions

diff --git a/llvm/lib/Target/PTX/PTXSubtarget.cpp b/llvm/lib/Target/PTX/PTXSubtarget.cpp
index 584c1d0295e..a8a2ef7309a 100644
--- a/llvm/lib/Target/PTX/PTXSubtarget.cpp
+++ b/llvm/lib/Target/PTX/PTXSubtarget.cpp
@@ -12,7 +12,9 @@
 //===----------------------------------------------------------------------===//
 
 #include "PTXSubtarget.h"
+#include "PTX.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Target/TargetRegistry.h"
 
 #define GET_SUBTARGETINFO_ENUM
 #define GET_SUBTARGETINFO_MC_DESC
@@ -64,3 +66,18 @@ std::string PTXSubtarget::getPTXVersionString() const {
     case PTX_VERSION_2_3: return "2.3";
   }
 }
+
+
+MCSubtargetInfo *createPTXMCSubtargetInfo(StringRef TT, StringRef CPU,
+                                            StringRef FS) {
+  MCSubtargetInfo *X = new MCSubtargetInfo();
+  InitPTXMCSubtargetInfo(X, CPU, FS);
+  return X;
+}
+
+extern "C" void LLVMInitializePTXMCSubtargetInfo() {
+  TargetRegistry::RegisterMCSubtargetInfo(ThePTX32Target,
+                                          createPTXMCSubtargetInfo);
+  TargetRegistry::RegisterMCSubtargetInfo(ThePTX64Target,
+                                          createPTXMCSubtargetInfo);
+}